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afs: Provide a function to get a ref on a call

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Provide a function to get a reference on an afs_call struct.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2019-01-10 15:14:29 +00:00
parent 59d49076ae
commit 7a75b0079a
1 changed files with 12 additions and 6 deletions
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18
fs/afs/rxrpc.c
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@ -203,20 +203,26 @@ void afs_put_call(struct afs_call *call)
}
}
static struct afs_call *afs_get_call(struct afs_call *call,
enum afs_call_trace why)
{
int u = atomic_inc_return(&call->usage);
trace_afs_call(call, why, u,
atomic_read(&call->net->nr_outstanding_calls),
__builtin_return_address(0));
return call;
}
/*
* Queue the call for actual work.
*/
static void afs_queue_call_work(struct afs_call *call)
{
if (call->type->work) {
int u = atomic_inc_return(&call->usage);
trace_afs_call(call, afs_call_trace_work, u,
atomic_read(&call->net->nr_outstanding_calls),
__builtin_return_address(0));
INIT_WORK(&call->work, call->type->work);
afs_get_call(call, afs_call_trace_work);
if (!queue_work(afs_wq, &call->work))
afs_put_call(call);
}